21615768

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:286

約数の個数: 128

約数和(自身を含む): 66240000

約数和(自身を除く): 44624232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 23, 24, 27, 36, 38, 46, 54, 57, 69, 72, 76, 92, 108, 114, 138, 152, 171, 184, 207, 216, 228, 229, 276, 342, 414, 437, 456, 458, 513, 552, 621, 684, 687, 828, 874, 916, 1026, 1242, 1311, 1368, 1374, 1656, 1748, 1832, 2052, 2061, 2484, 2622, 2748, 3496, 3933, 4104, 4122, 4351, 4968, 5244, 5267, 5496, 6183, 7866, 8244, 8702, 10488, 10534, 11799, 12366, 13053, 15732, 15801, 16488, 17404, 21068, 23598, 24732, 26106, 31464, 31602, 34808, 39159, 42136, 47196, 47403, 49464, 52212, 63204, 78318, 94392, 94806, 100073, 104424, 117477, 126408, 142209, 156636, 189612, 200146, 234954, 284418, 300219, 313272, 379224, 400292, 469908, 568836, 600438, 800584, 900657, 939816, 1137672, 1200876, 1801314, 2401752, 2701971, 3602628, 5403942, 7205256, 10807884, 21615768]

約数ペア:

[(1, 21615768), (2, 10807884), (3, 7205256), (4, 5403942), (6, 3602628), (8, 2701971), (9, 2401752), (12, 1801314), (18, 1200876), (19, 1137672), (23, 939816), (24, 900657), (27, 800584), (36, 600438), (38, 568836), (46, 469908), (54, 400292), (57, 379224), (69, 313272), (72, 300219), (76, 284418), (92, 234954), (108, 200146), (114, 189612), (138, 156636), (152, 142209), (171, 126408), (184, 117477), (207, 104424), (216, 100073), (228, 94806), (229, 94392), (276, 78318), (342, 63204), (414, 52212), (437, 49464), (456, 47403), (458, 47196), (513, 42136), (552, 39159), (621, 34808), (684, 31602), (687, 31464), (828, 26106), (874, 24732), (916, 23598), (1026, 21068), (1242, 17404), (1311, 16488), (1368, 15801), (1374, 15732), (1656, 13053), (1748, 12366), (1832, 11799), (2052, 10534), (2061, 10488), (2484, 8702), (2622, 8244), (2748, 7866), (3496, 6183), (3933, 5496), (4104, 5267), (4122, 5244), (4351, 4968)]